@charset "utf-8";
.web{
	width: 1500px;
	margin: 0 auto;
	background:#f8f8f8;;
}
header{
	width: 100%;
	height: 73px;
	border-bottom: 2px solid #f0f0f0;
}
footer{
	height: 62px;
	background: #444444;
	color: #c3c3c3;
	width: 100%;
}
.logo{
	margin-left: 73px;
	margin-top: 15px;
	display: inline-block;
}
.nav{
	padding-left: 213px;	
	padding-top: 5px;
}
.nav a{
	color: #535353;
	font-size: 14px;
}
.nav li{
	float: left;
	display: inline-block;
	border-right: 1px solid #b6b3b5;
	width: 147px;
	height: 66px;
	text-align: center;
	line-height: 66px;
}
.nav li:hover{
	background:#dbdbdb;
}
.foot{
	background: #444444;
	color: #c3c3c3;
	padding-left: 276px;
	padding-top: 32px;
	font-size: 11px;
}
.img_middle{
	vertical-align: middle;
}
.foot span{
	padding-left: 15px;
}
.foot span a{
	color: #c3c3c3;
}
.foot span a:hover{
	color: #AAAAAA;
}
.foot em{
	padding-left: 368px;
	font-size: 8px;
}
.ring{
	height: 520px;
	box-shadow:0px 50px 50px #aaaaaa;
	background: url(../img/bg_1.jpg) no-repeat 20%/cover;
}
.ring .piece{
	padding-left: 313px;
	padding-top: 20px;
	color: #fff;
}
.ring .piece span{
	height: 20px;
	width: 63px;
	border-right: 1px solid #FFFFFF;
	padding-right: 15px;
}
.first{
	display: inline-block;
	position: relative;
}
.first .comon_a{
	color: #fff;
	padding-left: 16px;
}
.trig::before{
	content: "";
	border-bottom: 8px solid transparent;
	border-top: 8px solid transparent;
	border-left: 4px solid #FFFFFF;
	border-right: 4px solid transparent;
	display: inline-block;
	position: absolute;	
	right: -22px;
	top: 4px;
}
.big_size{
	margin-top: 100px;
	line-height: 36px;
}
.big_size h2{
	font-size: 48px;
	letter-spacing:1px;
}
.big_size h3{
	font-size: 28px;
	font-style: italic;
	font-weight: 400;
	letter-spacing: -4px;
	font-stretch: ultra-condensed;
}
.font_12{
	font-size: 12px;
}
.color_while{
	color: #FFFFFF;
}
